diff options
Diffstat (limited to 'docs/source')
| -rw-r--r-- | docs/source/geodesic.rst | 2 | ||||
| -rw-r--r-- | docs/source/projections/cass.rst | 8 | ||||
| -rw-r--r-- | docs/source/projections/hatano.rst | 2 | ||||
| -rw-r--r-- | docs/source/references.rst | 2 |
4 files changed, 8 insertions, 6 deletions
diff --git a/docs/source/geodesic.rst b/docs/source/geodesic.rst index c96ddd82..e2665ab7 100644 --- a/docs/source/geodesic.rst +++ b/docs/source/geodesic.rst @@ -119,7 +119,7 @@ C code From Gerald Evenden: a library of the converted NGS Vincenty geodesic procedure and an application program, 'geodesic'. In the case of a spherical earth -Snyder's preferred equations are used. +[Snyder1987]_'s preferred equations are used. * http://article.gmane.org/gmane.comp.gis.proj-4.devel/3588/ diff --git a/docs/source/projections/cass.rst b/docs/source/projections/cass.rst index 48ec80cf..1b81bd13 100644 --- a/docs/source/projections/cass.rst +++ b/docs/source/projections/cass.rst @@ -22,17 +22,17 @@ Although the Cassini projection has been largely replaced by the Transverse Merc .. image:: ./images/cass.png :scale: 50% - :alt: Cassini + :alt: Cassini Usage ##### -There has been little usage of the spherical version of the Cassini, but the ellipsoidal Cassini-Soldner version was adopted by the Ordnance Survey for the official survey of Great Britain during the second half of the 19th century [Steers1970]_. Many of these maps were prepared at a scale of 1:2,500. The Cassini-Soldner was also used for the detailed mapping of many German states during the same period. +There has been little usage of the spherical version of the Cassini, but the ellipsoidal Cassini-Soldner version was adopted by the Ordnance Survey for the official survey of Great Britain during the second half of the 19th century [Steers1970]_. Many of these maps were prepared at a scale of 1:2,500. The Cassini-Soldner was also used for the detailed mapping of many German states during the same period. Example using EPSG 30200 (Trinidad 1903, units in clarke's links):: - $ echo 0.17453293 -1.08210414 | proj +proj=cass +lat_0=10.44166666666667 +lon_0=-61.33333333333334 +x_0=86501.46392051999 +y_0=65379.0134283 +a=6378293.645208759 +b=6356617.987679838 +to_meter=0.201166195164 +no_defs + $ echo 0.17453293 -1.08210414 | proj +proj=cass +lat_0=10.44166666666667 +lon_0=-61.33333333333334 +x_0=86501.46392051999 +y_0=65379.0134283 +a=6378293.645208759 +b=6356617.987679838 +to_meter=0.201166195164 +no_defs 66644.94 82536.22 Example using EPSG 3068 (Soldner Berlin):: @@ -141,5 +141,5 @@ Further reading ############### #. `Wikipedia <https://en.wikipedia.org/wiki/Equirectangular_projection>`_ -#. `John P. Snyder, Map projections—a working manual <https://epic.awi.de/39585/1/USGS_Bulletin_1532.pdf>`_ +#. [Snyder1987]_ #. `EPSG, POSC literature pertaining to Coordinate Conversions and Transformations including Formulas <http://www.ihsenergy.com/epsg/guid7.pdf>`_ diff --git a/docs/source/projections/hatano.rst b/docs/source/projections/hatano.rst index 6ba2d3a0..a150b64b 100644 --- a/docs/source/projections/hatano.rst +++ b/docs/source/projections/hatano.rst @@ -10,7 +10,7 @@ Hatano Asymmetrical Equal Area +---------------------+----------------------------------------------------------+ | **Classification** | :term:`Pseudocylindrical Projection` | +---------------------+----------------------------------------------------------+ -| **Available forms** | Forward | +| **Available forms** | Forward and inverse, spherical projection | +---------------------+----------------------------------------------------------+ | **Defined area** | Global, but best between standard parallels | +---------------------+----------------------------------------------------------+ diff --git a/docs/source/references.rst b/docs/source/references.rst index 22fd96ea..88b5fb26 100644 --- a/docs/source/references.rst +++ b/docs/source/references.rst @@ -10,3 +10,5 @@ References .. [Evenden2005] Evenden, G. I., 2005, `libproj4: A Comprehensive Library of Cartographic Projection Functions (Preliminary Draft) <https://github.com/OSGeo/proj.4/blob/master/docs/old/libproj.pdf>`_ .. [Steers1970] Steers, J.A., 1970, An introduction to the study of map projections (15th ed.): London, Univ. London Press, p. 229 + +.. [Snyder1987] Snyder. John P. 1987. `Map Projections - A Working Manual <https://github.com/OSGeo/proj.4/blob/master/docs/old/USGS-Snyder-Map-Projections-A-Working-Manual-1987.pdf>`__. US. Geological Survey professional paper; 1395. |